C9 chord on 6-String Guitar – CGDGBD (Open G Low C)

in CGDGBD (Open G Low C) tuning

Root

Type

Tuning

Dominant 9

Notes:C · E · G · A# · D

easybarre on fret 2

Piano Left hand Right hand

Fingerings (16)

C9 shapes as text

Frets	Fingers	Notes	Difficulty
0 0 2 3 3 2	– – 1 2 3 1	C G E A# D E	easy · barre on fret 2
x 5 2 3 3 2	– 4 1 2 3 1	x C E A# D E	medium · barre on fret 2
4 3 5 5 3 x	2 1 3 4 1 –	E A# G C D x	medium · barre on fret 3
4 0 0 5 5 8	1 – – 2 3 4	E G D C E A#	hard
0 5 5 7 5 8	– 1 1 2 1 3	C C G D E A#	medium · barre on fret 5
0 7 0 9 8 8	– 1 – 4 2 3	C D D E G A#	medium
0 9 8 9 8 0	– 2 1 3 1 –	C E A# E G D	easy · barre on fret 8
0 9 10 9 11 0	– 1 2 1 3 –	C E C E A# D	medium · barre on fret 9
0 0 0 3 3 2	– – – 2 3 1	C G D A# D E	easy
x 5 2 3 3 x	– 4 1 2 3 –	x C E A# D x	medium
4 3 x 5 3 x	3 1 – 4 2 –	E A# x C D x	hard
4 0 0 5 8 8	1 – – 2 3 4	E G D C G A#	hard
0 5 8 7 5 5	– 1 3 2 1 1	C C A# D E G	medium · barre on fret 5
0 7 8 9 8 0	– 1 2 4 3 –	C D A# E G D	medium
0 0 8 9 8 0	– – 1 2 1 –	C G A# E G D	easy · barre on fret 8
0 9 10 9 11 12	– 1 2 1 3 4	C E C E A# D	medium · barre on fret 9

Max fret: 12

Fingerings shown: 16

The C9 chord (Dominant 9) is built from the notes C, E, G, A#, D. Below are playable fingerings for 6-String Guitar – CGDGBD (Open G Low C) generated for your selected tuning, ordered from open-position shapes up the neck. Tap a diagram to hear it, or switch to the piano view to see the same harmony on keys.

How the C9 chord is built

Formula: 1 · 3 · 5 · ♭7 · 9

Degree	Semitones	Note
1	0	C
3	4	E
5	7	G
♭7	10	A#
9	14	D

More C chords

C Cm C7 C°C+Cmaj7 Cm7 C7♯5 C7♭5 C6 Cm6 Cm7♭5 C°7 Csus2 Csus4 Cadd9 Cmaj9 Cm9 C5

Other roots

C#9 D9 D#9 E9 F9 F#9 G9 G#9 A9 A#9 B9

See C9 in another tuning

Standard E E-A-D-G-B-E Half Step Down (Eb) D#-G#-C#-F#-A#-D#Drop D D-A-D-G-B-E Open D D-A-D-F#-A-D Open G D-G-D-G-B-D CGDGBD (Open G Low C) C-G-D-G-B-D DADGAD (D Modal) D-A-D-G-A-D

What notes make up the C9 chord?

C9 is a Dominant 9 chord built from the notes C, E, G, A#, D.

How do I read the diagram?

Strings run left to right from the lowest to the first string; the numbers show which finger presses each fret. An ○ marks an open string, an ✕ marks a muted one.